What is the domain of the function represented by these ordered pairs?
{(-2, 1), (0, 0), (3, -1) (-1, 7), (5, 7)}
O-2, -1, 0, 3,5}
O {-1, 0, 1, 7}
O {-2, -1, 0, 1, 3, 5, 7}
O {0, 1, 2, 3, 5}
